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Posted · Original PosterOP

Hi, this is my first time asking the Interweb questions so here goes, my pc (specs below) stopped booting after I pulled it from storage, I have pulled my GPU and used the on board VGA port and the system boots fine, I also put in an older GPU and ignored the external power which it booted saying input external power, when I input the external power again it would not boot even to the bios, on that running theory I upgraded my power supply to a MWE 750  have reconnected the original GPU and the same thing, swap that GPU for the older 660 and it booted fine and I can run it, so that said is my newer GPU dead or not? I don't have another unit to test it in and when it is installed and press the power button nothing changes states, no fan no lights



My spec

Gigabyte GA-Z77X-D3H

Intel i7 3770

GPU asus gtx 970 turbo and the older one is a gigabyte gtx 660

16gb ram

250gb ssd

1tb did

Cooler master 500w (ol power supply) MWE 750w


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I would think it highly unlikely that the both power supplies GPU power cable were faulty.

I would also think it highly unlikely that both GPUS had faulty power ports.

I would first triple check the GPU cards were correctly seated and triple check I had the correct cable from the PSU.


Also if it's booting with onboard are you still using the onboard video port when you have the cards inserted? I ask because I would stick to using that port but attach the GPU anyway. See if you can boot using onboard but with the GPU inserted. And make sure primary graphics is set to onboard while testing this.

If you're interested in a product please download and read the manual first.

Don't forget to tag or quote in your reply if you want me to know you've answered or have another question.

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